MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded links, including one identified as a malicious redirector pointing to 'ttraff.com'. The document body, though partially corrupted, suggests a lure related to educational worksheets. The presence of numerous links, many pointing to Shopify-hosted PDFs, indicates a link farm strategy to obscure the malicious redirector. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.com/pify?keyword=transformation+of+sentences+affirmative+to+negative+worksheets+pdf
- http://files.musky-lures.com/uploads/1/3/2/7/132712306/vetikina-sumefaxozaz-ranano.pdf
- http://files.xoskshop.com/uploads/1/3/1/3/131381539/miseve.pdf
- http://files.nysabaparent.org/uploads/1/3/1/3/131398129/92c55c.pdf
- http://kujibova.markuswilsing.com/uploads/1/3/1/4/131408738/pefemufad.pdf
- https://cdn.shopify.com/s/files/1/0431/3510/7233/files/writing_ielts_band_9.pdf
- https://cdn.shopify.com/s/files/1/0430/5528/4373/files/69787218337.pdf
- https://cdn.shopify.com/s/files/1/0432/5448/1058/files/zerujagezukomu.pdf
- https://cdn.shopify.com/s/files/1/0432/4166/8775/files/80990347015.pdf
- https://cdn.shopify.com/s/files/1/0433/5144/1560/files/zijixivatamobisiwag.pdf
- https://cdn.shopify.com/s/files/1/0435/0276/4184/files/xoxukarukuso.pdf
- https://cdn.shopify.com/s/files/1/0435/2868/3674/files/dovegibe.pdf
- https://cdn.shopify.com/s/files/1/0434/6114/8837/files/8319613722.pdf
- https://cdn.shopify.com/s/files/1/0432/6424/5922/files/wuzosadod.pdf
- https://cdn.shopify.com/s/files/1/0438/4292/8790/files/repux.pdf
- https://cdn.shopify.com/s/files/1/0435/9349/8787/files/78835810045.pdf
- https://cdn.shopify.com/s/files/1/0428/2230/3911/files/eu_to_rf_conversion.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000842d.binb1c0ba5b1b65eca19ca522970e25e24963f6189224e0e1426a9fa31b03b4546f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x842D | 5700 bytes |
font_01_sfnt_off0000977e.bin6b860b8b5d5d807413cf53de90346df76bb44bd121a58c2c833b806daab2af80 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x977E | 10256 bytes |
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